Just to add, the device does have a set of buttons as well, so it might be some sort of USB HID conflict? Only two of them show anything when run under xev, XF86VolumeUp and XF86VolumeDown.
Just to add, the device does have a set of buttons as well, so it might be some sort of USB HID conflict? Only two of them show anything when run under xev, XF86VolumeUp and XF86VolumeDown.